320142254 has 8 divisors (see below), whose sum is σ = 483879528. Its totient is φ = 158849080.

The previous prime is 320142211. The next prime is 320142257. The reversal of 320142254 is 452241023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320142257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610697 + ... + 611220.

It is an arithmetic number, because the mean of its divisors is an integer number (60484941).

Almost surely, 2^320142254 is an apocalyptic number.

320142254 is a deficient number, since it is larger than the sum of its proper divisors (163737274).

320142254 is a wasteful number, since it uses less digits than its factorization.

320142254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222050.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 320142254 is about 17892.5194983826. The cubic root of 320142254 is about 684.0917182048.

Adding to 320142254 its reverse (452241023), we get a palindrome (772383277).

The spelling of 320142254 in words is "three hundred twenty million, one hundred forty-two thousand, two hundred fifty-four".